Investigative report

An investigative report is a document

Document

The term document has multiple meanings in ordinary language and in scholarship. WordNet 3.1. lists four meanings :* document, written document, papers...

 that is meant to provide information on a certain topic that is not easily obtained. It is meant to present the reader with a wealth of easily understood information

Information

Information in its most restricted technical sense is a message or collection of messages that consists of an ordered sequence of symbols, or it is the meaning that can be interpreted from such a message or collection of messages. Information can be recorded or transmitted. It can be recorded as...

 and usually contains an interview

Interview

An interview is a conversation between two people where questions are asked by the interviewer to obtain information from the interviewee.- Interview as a Method for Qualitative Research:"Definition" -...

or two on the subject. In order to write a successful investigative report, one must conduct a substantial amount of research and provide the reader with a wealth of information so that he or she can make an informed choice.